Missing Interpol director Meng Hongwei reportedly sent his wife this text of a knife emoji before he disappeared

Making her first public comments on the mystery surrounding Meng’s whereabouts, Grace Meng told reporters in Lyon, France on Sunday she thinks the knife was her husband’s way of trying to tell her he was in danger.

She says she has had no further contact with him since the message that was sent on Sept. 25. She says four minutes before Meng shared the image, he had sent a message saying, “Wait for my call.”

It comes as Interpol released a statement saying Meng resigned as head of the organisation.

It said: "Today, Sunday 7 October, at the Interpol General Secretariat in Lyon, France received the resignation of Mr Meng Hongwei as President of Interpol with immediate effect."

Grace said she has had no further contract with him since she was sent that text message

His run as Interpol's director began in November 2016 and is due to run until 2020.

The 64-year-old who is also a vice-minister at China’s Ministry of Public Security, was “taken away” for questioning by discipline authorities “as soon as he landed in China” last week, the SCMP reports.

It is not yet clear why Meng is being investigated or exactly where he is being held.

Human rights groups expressed concern at the time that Beijing might try to use Meng's position at the body to go after dissidents abroad.

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"The Secretary General is the Organisation's full time official responsible for the day to day running of Interpol.

"Interpol's General Secretariat headquarters will not comment further."

Established in 1923, Interpol is a global organisation that seeks to help police forces around the world cooperate and coordinate.

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